what the hell is a nug i keep hearin people say it but i dunno what it means. im good on most other words its just this one i got trouble with.
1 Improper use of contact lenses or steroid eyedrops can lead to fungal infections, which in turn can cause corneal ulcers. Also, a corneal injury that results in plant material getting into the eye can lead to fungal keratitis.  Acanthamoeba are microscopic, single-celled amoeba that can cause human infection.
Most duodenal ulcers have an infectious cause, contrary to earlier thoughts about the cause of these conditions. Causes of Ulcers Several factors are known causes of PUD and GERD. Previously, most ulcers were thought to be caused by irritants to the stomach, such as stress, spicy foods, caffeine, tobacco and alcohol.